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A dual-robust design of beamforming is investigated in an integrated sensing and communication (ISAC) system.Existing research on robust ISAC waveform design, while proposing solutions to imperfect channel state information (CSI), generally…

信号处理 · 电气工程与系统科学 2024-05-20 Wanting Lyu , Songjie Yang , Yue Xiu , Xinyi Chen , Zhongpei Zhang , Chadi Assi , Chau Yuan

For integrated sensing and communication (ISAC) systems, the channel information essential for communication and sensing tasks fluctuates across different timescales. Specifically, wireless sensing primarily focuses on acquiring path state…

信息论 · 计算机科学 2023-10-18 Zhiqiang Xiao , Yong Zeng , Fuxi Wen , Zaichen Zhang , Derrick Wing Kwan Ng

This paper investigates the integrated sensing and communication (ISAC) in vehicle-to-infrastructure (V2I) networks. To realize ISAC, an effective beamforming design is essential which however, highly depends on the availability of accurate…

信号处理 · 电气工程与系统科学 2022-04-28 Chang Liu , Weijie Yuan , Shuangyang Li , Xuemeng Liu , Husheng Li , Derrick Wing Kwan Ng , Yonghui Li

Integrated Sensing and Communication (ISAC) has emerged as a key enabler for future wireless systems. The recently developed symbol-level precoding (SLP) technique holds significant potential for ISAC waveform design, as it leverages both…

信号处理 · 电气工程与系统科学 2025-02-21 Peng Jiang , Ming Li , Rang Liu , Wei Wang , Qian Liu

As a critical technology for next-generation communication networks, integrated sensing and communication (ISAC) aims to achieve the harmonious coexistence of communication and sensing. The degrees-of-freedom (DoF) of ISAC is limited due to…

信息论 · 计算机科学 2024-10-28 Yongqing Xu , Yong Li , Tony Q. S. Quek

Beamforming design for intelligent reflecting surface (IRS)-assisted multi-user communication (IRS-MUC) systems critically depends on the acquisition of accurate channel state information (CSI). However, channel estimation (CE) in IRS-MUC…

信号处理 · 电气工程与系统科学 2022-11-24 Chang Liu , Xuemeng Liu , Zhiqiang Wei , Derrick Wing Kwan Ng , Robert Schober

This work presents a novel robust beamforming design dedicated for dual-functional radar and communication (DFRC) base stations (BSs) in the context of integrated sensing and communications (ISAC). The architecture is intended for…

信号处理 · 电气工程与系统科学 2023-03-15 Ahmad Bazzi , Marwa Chafii

In this paper, we propose a novel integrated sensing and communication (ISAC)-enabled dual-scale channel estimation framework, where large-scale channel estimation benefits from sensing, and the temporal variation of small-scale channel…

信息论 · 计算机科学 2026-01-05 Bai Zhiyue , Dai Minghui , Hou Fen , Shan hangguan , Cai X Lin , Shen , Xuemin

The implementation of integrated sensing and communication (ISAC) highly depends on the effective beamforming design exploiting accurate instantaneous channel state information (ICSI). However, channel tracking in ISAC requires large amount…

信息论 · 计算机科学 2022-02-09 Chang Liu , Weijie Yuan , Shuangyang Li , Xuemeng Liu , Derrick Wing Kwan Ng , Yonghui Li

Distributed integrated sensing and communication (D-ISAC) enables multiple spatially distributed nodes to cooperatively perform sensing and communication. However, achieving coherent cooperation across distributed nodes is challenging due…

系统与控制 · 电气工程与系统科学 2026-04-06 Seonghoon Yoo , Seulhyun Kwon , Kawon Han , Elaheh Ataeebojd , Mehdi Rasti , Joonhyuk Kang

Resource allocation in integrated sensing and communication (ISAC) systems needs to be optimized to balance the requirements of the communication and sensing modules considering complicated cross-layer data traffic and queue status in…

信号处理 · 电气工程与系统科学 2026-04-28 Xiyu Wang , Gilberto Berardinelli , Hei Victor Cheng , Petar Popovski , Ramoni Adeogun

We propose a robust transceiver design for a covert integrated sensing and communications (ISAC) system with imperfect channel state information (CSI). Considering both bounded and probabilistic CSI error models, we formulate worst-case and…

信息论 · 计算机科学 2024-04-23 Yuchen Zhang , Wanli Ni , Jianquan Wang , Wanbin Tang , Min Jia , Yonina C. Eldar , Dusit Niyato

In this paper, we tackle the task of adaptive time allocation in integrated sensing and communication systems equipped with radar and communication units. The dual-functional radar-communication system's task involves allocating dwell times…

机器学习 · 计算机科学 2025-06-27 Ziyang Lu , M. Cenk Gursoy , Chilukuri K. Mohan , Pramod K. Varshney

This research presents a novel framework integrating Flexible-Duplex (FlexD) and Integrated Sensing and Communications (ISAC) technologies to address the challenges of spectrum efficiency and resource optimization in next-generation…

信号处理 · 电气工程与系统科学 2025-04-08 Tharaka Perera , Saman Atapattu , Chathuranga Weeraddana , Jamie Evans

In Integrated Sensing And Communication (ISAC) systems, estimating the micro-Doppler (mD) spectrogram of a target requires combining channel estimates retrieved from communication with ad-hoc sensing packets, which cope with the sparsity of…

信号处理 · 电气工程与系统科学 2024-12-05 Federico Mason , Jacopo Pegoraro

In this paper, we consider a point-to-point integrated sensing and communication (ISAC) system, where a transmitter conveys a message to a receiver over a channel with memory and simultaneously estimates the state of the channel through the…

信息论 · 计算机科学 2024-12-03 Homa Nikbakht , Michèle Wigger , Shlomo Shamai , H. Vincent Poor

In this paper, a general ISAC system where the base station (BS) communicates with multiple users and performs target detection is considered. Then, a sum communication rate maximization problem is formulated, subjected to the constraints…

信号处理 · 电气工程与系统科学 2026-01-29 Qian Gao , Ruikang Zhong , Yuanwei Liu

Integrated sensing and communication (ISAC) technology is essential for supporting vehicular networks. However, the communication channel in this scenario exhibits time variations, and the potential targets may move rapidly, resulting in…

信号处理 · 电气工程与系统科学 2024-08-26 Zonghui Yang , Shijian Gao , Xiang Cheng

Utilizing Deep Reinforcement Learning (DRL) for Reconfigurable Intelligent Surface (RIS) assisted wireless communication has been extensively researched. However, existing DRL methods either act as a simple optimizer or only solve problems…

系统与控制 · 电气工程与系统科学 2026-01-19 Meng-Qian Alexander Wu , Tzu-Hsien Sang , Luisa Schuhmacher , Ming-Jie Guo , Khodr Hammoud , Sofie Pollin

In this paper, a novel framework is proposed to optimize the downlink multi-user communication of a millimeter wave base station, which is assisted by a reconfigurable intelligent reflector (IR). In particular, a channel estimation approach…

信息论 · 计算机科学 2021-08-03 Qianqian Zhang , Walid Saad , Mehdi Bennis
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